It is pretty standard behavior for encrypted authentication schemes to reject authentication requests when the time deviation between the client and server are too far apart. This is by design. It is basically a timeout from Active Directory's perspective. You can use Active Directory GPOs to configure clients to use NTP and you can also configure NTP on your Samba server (use cron to sync time hourly if you must). This should fix your authentication issue. If you need help with GPOs or configuring NTP on your Samba server, let me know.

Bruno Rodrigues Neves wrote:
Hi Leonid,

I donĀ“t know the cause of this problem, but if you try add into your
netlogon script a line such as a "set time" in order to set the clock
to the same from the server?

Regards!

--
Bruno


On 9/22/06, Leonid Zeitlin <[EMAIL PROTECTED]> wrote:
Hi all,
I have a Samba 3.0.23c server joined to an Windows 2003 AD domain. Users
access it from Windows workstations (XP, 2000). The problem is that if a
workstation has its time off by more than 5 minutes, Samba server cannot be accessed. I understand that Kerberos cannot authenticate the clients due to clock skew; however, I thought that in such case Samba could falls back to
NTLM auth. At least, the workstations with the wrong clock can access
Windows file servers, but not Samba. Is Samba's behavior in this case
intentional? Is this supposed to work? How can I help or debug this
situation? Any help is appreciated.

Thanks,
  Leonid



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